The Littelfuse 20A 58V FHM Series In-Line Fuse Holder is the perfect solution for protecting your electrical system. This fuse holder features a black UL 94 V-0 TPV body and cover that creates an IP67-rated dustproof and waterproof enclosure. The copper alloy contacts are tin-plated for superior conductivity and durability. This fuse holder comes in a retail blister package with cards for easy display. FleetPride is your First Click in Heavy Duty®.